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Topic: i cant configure pn 532 with esp 8266nodemcu (Read 43 times) previous topic - next topic


i m getting the following errors when i upload it to espnodemcu 8266 but no problem with arduino uno

please help!!!

C:\Users\sk\Documents\Arduino\libraries\Adafruit_PN532\Adafruit_PN532.cpp:104:12: note: in expansion of macro 'WIRE'
     return WIRE.read();
C:\Users\sk\Documents\Arduino\libraries\Adafruit_PN532\Adafruit_PN532.cpp: In member function 'void Adafruit_PN532::begin()':
C:\Users\sk\Documents\Arduino\libraries\Adafruit_PN532\Adafruit_PN532.cpp:55:15: error: 'Wire1' was not declared in this scope
  #define WIRE Wire1
C:\Users\sk\Documents\Arduino\libraries\Adafruit_PN532\Adafruit_PN532.cpp:213:5: note: in expansion of macro 'WIRE'
C:\Users\sk\Documents\Arduino\libraries\Adafruit_PN532\Adafruit_PN532.cpp: In member function 'uint8_t Adafruit_PN532::mifareclassic_WriteNDEFURI(uint8_t, uint8_t, const char*)':
C:\Users\sk\Documents\Arduino\libraries\Adafruit_PN532\Adafruit_PN532.cpp:1045:53: warning: narrowing conversion of '(((int)len) + 5)' from 'int' to 'uint8_t {aka unsigned char}' inside { } [-Wnarrowing]
   uint8_t sectorbuffer1[16] = {0x00, 0x00, 0x03, len+5, 0xD1, 0x01, len+1, 0x55, uriIdentifier, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
C:\Users\sk\Documents\Arduino\libraries\Adafruit_PN532\Adafruit_PN532.cpp:1045:72: warning: narrowing conversion of '(((int)len) + 1)' from 'int' to 'uint8_t {aka unsigned char}' inside { } [-Wnarrowing]


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